80140851 has 24 divisors (see below), whose sum is σ = 133791840. Its totient is φ = 45277056.

The previous prime is 80140849. The next prime is 80140871. The reversal of 80140851 is 15804108.

It is not a de Polignac number, because 80140851 - 2¹ = 80140849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80140831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1540 + ... + 12753.

It is an arithmetic number, because the mean of its divisors is an integer number (5574660).

Almost surely, 2^80140851 is an apocalyptic number.

80140851 is a deficient number, since it is larger than the sum of its proper divisors (53650989).

80140851 is a wasteful number, since it uses less digits than its factorization.

80140851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14395 (or 14392 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 80140851 is about 8952.1422575828. The cubic root of 80140851 is about 431.1396683093.

Adding to 80140851 its reverse (15804108), we get a palindrome (95944959).

The spelling of 80140851 in words is "eighty million, one hundred forty thousand, eight hundred fifty-one".